Emily Herron Thomas

  • Mammoth Lakes, CA
  • Internist
NPI1679967996PAC ID8921371865
Medicare services, 2024
62
Medicare patients, 2024
32
Part D claims, 2024
1,300
Publications
4
Hospital affiliations
2
Practice address
85 Sierra Park Road, Mammoth Lakes, CA 93546
Practice phone
Call (760) 934-3311
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Mammoth Hospital - Clinic

Rural Health Clinic - Hospital-Owned · Mammoth Lakes, California

See all 6 affiliations

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Emily Herron Thomas is an internist in Mammoth Lakes, California

Emily Thomas practices at Mammoth Hospital - Clinic in Mammoth Lakes, California.

Emily Thomas' NPI, 1679967996, was assigned on March 25, 2015. Emily Thomas graduated from Yale University School of Medicine in 2015. Emily Thomas holds California license A147118.

NPI and contact details
Medicare PAC ID
8921371865
NPI enumeration date
March 25, 2015
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(760) 934-3311
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
37
Medical school graduation
2015

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Emily Herron Thomas practices at Mammoth Hospital - Clinic in Mammoth Lakes, California

Emily Thomas' primary practice is Mammoth Hospital - Clinic, at 85 Sierra Park Road, Mammoth Lakes, CA 93546. The practice phone is (760) 934-3311.

  • Mammoth Hospital - Clinic
    85 Sierra Park Road, Mammoth Lakes, CA 93546Phone(760) 934-3311

Source: Dmand AI Affiliation Data

Emily Herron Thomas is affiliated with 4 sites of care and 2 medical groups

Emily Thomas' primary practice is Mammoth Hospital - Clinic in Mammoth Lakes, California. Emily Thomas is also affiliated with Mammoth Hospital. The medical group on file is Mammoth Hospital. Dmand AI also links Emily Thomas to 1 more hospital, 1 group practice or clinic and 1 medical group, each named with a free account.

See all 6 affiliations for Emily Thomas

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Emily Herron Thomas' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Emily Thomas practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Mammoth Hospital - ClinicAvailable with a free account
+3 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Emily Herron Thomas is one of 16,751 internists in California

Internal medicine is Emily Thomas' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Emily Thomas' licenses on file in 2 states: California and Mississippi.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense A147118 · taxonomy 207R00000X
  • Student in an organized health care education/training program, MississippiLicense 800112408 · taxonomy 390200000X

Internists near Emily Thomas

Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.

16,751internists in California
8internists in Mammoth Lakes

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Emily Herron Thomas billed Medicare for 62 services in 2024

CMS data shows 62 Medicare services from Emily Thomas across 2 procedure codes in 2024, for 32 Medicare patients. Medicare paid $3,861 for them. Every service was in an office.

Medicare services, 202462
Medicare patients32
Paid by Medicare$3,861
Procedure codes2

Emily Thomas' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 682024: 3943%
Surgery
2023: 252024: 238%

Emily Thomas compared with the California median for internists, 2024

  • Emily Thomas
  • California median
Medicare services
62vs 36183% below
Medicare patients
32vs 15179% below
Part D claims
929vs 4212.2 times

Medians across 15,815 internists in California with Dmand AI profiles that report each measure.

Emily Thomas' most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Emily Thomas

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Emily Herron Thomas treated 32 Medicare patients in 2024, average age 64

CMS counts 32 Medicare patients who saw Emily Thomas in 2024. The largest group is 65 to 74, with 18 patients. 69% of them have high blood pressure, and 53% have high cholesterol. 100% are also on Medicaid. Their average risk score is 1.98, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Emily Thomas' median patient age at 44, with 63% women.

Medicare patients, 202432
Average age64
Average risk score1.98
Also on Medicaid100%

Emily Thomas' Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Emily Thomas' Medicare patients by sex, 2024

  • Women1134%
  • Men2166%

Chronic conditions among Emily Thomas' Medicare patients, 2024

  1. High blood pressure69%
  2. High cholesterol53%
  3. Alcohol and drug use disorders44%
  4. Schizophrenia and other psychoses44%
  5. Diabetes41%
  6. COPD38%
  7. Tobacco use38%
  8. Chronic kidney disease34%

Share of Medicare patients with each condition. A patient can have several.

Emily Thomas' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 44

Patient panel by sex, all payers

  • Women63%
  • Men36%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Emily Herron Thomas wrote 1,300 Medicare Part D claims in 2024

In 2024, Emily Thomas wrote 1,300 Medicare Part D claims for 62 patients. 79% of them were for generic drugs. CMS names the drug for 929 of them, across 32 drugs with 11 or more claims each, at $87,214 in total drug cost. In 2023, CMS named 408 claims across 20 drugs.

Part D claims, 20241,300
Drugs named by CMS32
Total drug cost$87,214
Part D patients62

Emily Thomas' Part D claims by kind of drug, 2024

  • Generic1,029 claims79%
  • Brand-name251 claims19%
  • Other20 claims2%

Emily Thomas' most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Emily Thomas' Part D claims, 2024

  • Opioids3%33 of 1,300 claims
  • Antibiotics1%12 of 1,300 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 4082024: 929128%

Drugs named by CMS: 32 in 2024, 20 in 2023.

See all prescribing by Emily Thomas

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Emily Herron Thomas takes part in Medicare

Emily Thomas accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Emily Herron Thomas has 4 publications on record

Dmand AI links 4 papers to Emily Thomas, published from 2016 to 2022. The most frequent topics are COVID-19, COVID-19 Vaccines and Ill-Housed Persons. Emily Thomas' most frequent co-authors are Heidi Louise Behforouz, MD, Elizabeth Ann Bromley, MD and Peggy Guey-Chi Chen, MD.

Papers4
Years published2016 to 2022

Topics Emily Thomas writes about most

  • COVID-19
  • COVID-19 Vaccines
  • Ill-Housed Persons

Emily Thomas' most frequent co-authors

Recent publications by Emily Thomas

See all 4 publications and co-authors

See who Emily Thomas researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Emily Thomas works with, so you can find a warm path to the right internists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Emily Herron Thomas received $72 in industry payments in 2024

CMS Open Payments shows 4 general payments to Emily Thomas from 2 drug and device companies in 2024. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $47.

Companies that paid Emily Thomas the most, 2024 to 2024

Share is of all general payments to this clinician.

See all payments to Emily Thomas

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Emily Herron Thomas graduated from Yale University School of Medicine

Emily Thomas graduated from Yale University School of Medicine in 2015.

  1. Medical schoolYale University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Emily Herron Thomas's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Emily Herron Thomas

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Emily Herron Thomas' NPI number?

Emily Herron Thomas' NPI number is 1679967996. It was assigned on March 25, 2015, and it is active in the NPI Registry.

What does Emily Herron Thomas specialize in?

Emily Herron Thomas is an internist in Mammoth Lakes, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Emily Herron Thomas practice?

Emily Thomas practices at 85 Sierra Park Road, Mammoth Lakes, CA 93546. Emily Thomas' primary practice is Mammoth Hospital - Clinic in Mammoth Lakes, California. Dmand AI also links Emily Thomas to 1 hospital, 1 group practice or clinic and 1 medical group.

What is Emily Herron Thomas' office phone number?

The practice phone on file for Emily Thomas is (760) 934-3311.

What is Emily Herron Thomas' medical license number?

Emily Thomas holds California license A147118, one of the licenses on file in 2 states.

Which states has Emily Herron Thomas been licensed in?

Dmand AI has state licenses on file for Emily Thomas in California and Mississippi.

Which hospitals is Emily Herron Thomas affiliated with?

Emily Thomas is affiliated with Mammoth Hospital. Dmand AI links Emily Thomas to 1 more hospital.

What medical group is Emily Herron Thomas part of?

Emily Thomas is linked to Mammoth Hospital. Dmand AI links Emily Thomas to 1 more medical group.

Does Emily Herron Thomas accept Medicare?

Yes. CMS data shows Emily Thomas billed Medicare for 62 services in 2024, and Emily Thomas accepts Medicare assignment.

How many Medicare patients does Emily Herron Thomas see?

CMS counts 32 Medicare patients who saw Emily Thomas in 2024, with an average age of 64.

Show 7 more questionsShow fewer questions

What services does Emily Herron Thomas bill to Medicare?

In 2024, Emily Thomas' most billed Medicare services were office visit, established patient (99214) and surgery: heart and blood vessels (36415).

Where did Emily Herron Thomas go to medical school?

Emily Thomas graduated from Yale University School of Medicine in 2015.

What drugs does Emily Herron Thomas prescribe most?

In 2024 Medicare Part D data, Emily Thomas' most prescribed drugs by claims were Atorvastatin Calcium, Albuterol Sulfate Hfa and Jardiance.

Has Emily Herron Thomas received payments from drug or device companies?

CMS Open Payments shows $72 in general payments to Emily Thomas from 2 companies from 2024 to 2024. The largest total came from Abbvie Inc.

How long has Emily Herron Thomas been practicing?

Emily Thomas graduated from medical school in 2015, 11 years ago.

Does Emily Herron Thomas do research?

Dmand AI links 4 publications to Emily Thomas, published from 2016 to 2022.

Who does Emily Herron Thomas publish with?

Emily Thomas' most frequent co-authors are Heidi Louise Behforouz, MD (1 shared paper), Elizabeth Ann Bromley, MD (1 shared paper) and Peggy Guey-Chi Chen, MD (1 shared paper).

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